#223B90#223B90

#223B90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.144 H 266.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#223B90
RGB	rgb(34, 59, 144)
HSL	hsl(226, 62%, 35%)
HSV	hsv(226, 76%, 56%)
CMYK	cmyk(76.4%, 59%, 0%, 43.5%)
CIE-LAB	lab(28.06, 22.18, -49.77)
CIE-LCH	lch(28.06, 54.49, 294.02°)
OKLab	oklab(38.82% -0.0077 -0.1436)
OKLCH	oklch(38.82% 0.144 266.9)
XYZ	xyz(7.2559, 5.4808, 27.0556)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B90 #907722

analogous

#227290 #223B90 #402290

triadic

#223B90 #90223B #3B9022

tetradic

#223B90 #902272 #907722 #229040

square

#223B90 #902272 #907722 #229040

split-complementary

#223B90 #904022 #729022

monochromatic

#0B122D #16275E #223B90 #2E4FC2 #5573D7

Accessibility & contrast

On white

10.02

#223B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#223B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B90

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B90	#FFFFFF	#000000	##FFFFFF
##223B90	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223b90;
/* rgb */ color: rgb(34, 59, 144);
/* oklch */ color: oklch(38.8% 0.144 266.9);

Tailwind

colors: {
  custom: {
    50: '#6e70b1',
    500: '#223b90',
    950: '#000000',
  },
}

SCSS

$custom: #223b90;
$custom-light: #6e70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#223b90",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 226.364,
    "s": 61.798,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38816,
    "c": 0.14382,
    "h": 266.9
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#223B90

secondary

#BBA353

accent

#C043E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #223B90

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →